package com.lwq.nacosorderserivce.config;


import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.loadbalancer.NacosLoadBalancer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;

public class LoadBalancerConfig {
    @Autowired
    private NacosDiscoveryProperties nacosDiscoveryProperties;
    //将官方提供的 RandomLoadBalancer 注册为Bean
//    @Bean
//    public ReactorLoadBalancer<ServiceInstance> randomLoadBalancer(Environment environment, LoadBalancerClientFactory loadBalancerClientFactory){
//        String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
//        return new RandomLoadBalancer(loadBalancerClientFactory.getLazyProvider(name, ServiceInstanceListSupplier.class), name);
//    }

    /**
     * 配置负载
     */
    @Bean
    @ConditionalOnMissingBean
    ReactorLoadBalancer<ServiceInstance> nacosRule(Environment environment, LoadBalancerClientFactory loadBalancerClientFactory){
        String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
        return  new NacosLoadBalancer(loadBalancerClientFactory.getLazyProvider(name,ServiceInstanceListSupplier.class),name,nacosDiscoveryProperties);
    }
}